<script setup>
import {getCategoryFilterAPI,getSubCategoryAPI} from '@/apis/category'
import {ref,onMounted} from 'vue'
import {useRoute} from 'vue-router'
import GoodsItem from '../Home/components/GoodsItem.vue'

// 获取面包屑
const route = useRoute()
const categoryData = ref({})
async function getCategoryData(){
   const res =  await getCategoryFilterAPI(route.params.id)
   console.log(res);
   categoryData.value = res.result 
}

onMounted(() => {
  getCategoryData()
})

// 获取基础列表数据渲染
const goodList =ref([])
const reqData = ref({
    categoryId:route.params.id,
    page:1,
    pageSize:20,
    sortField:'publishTime'

})
async function getGoodList(){
  const res =  await getSubCategoryAPI(reqData.value)
  goodList.value = res.result.items
}

onMounted(() => {
  getGoodList()
})

// tab切换回调
function tabChange(){
  reqData.value.page  = 1
  getGoodList()
}

// 加载更多
const disabled = ref(false)
async function load(){
  // console.log('加载更多数据');
  // 获取下一页数据
  reqData.value.page++
  const res =  await getSubCategoryAPI(reqData.value)
  goodList.value =  [...goodList.value,...res.result.items]
  // 加载完毕 停止监听
  if(res.result.items.length === 0){
    disabled.value = true

  }

  
}

</script>

<template>
  <div class="container ">
    <!-- 面包屑 -->
    <div class="bread-container">
      <el-breadcrumb separator=">">
        <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item :to="{ path: `/category/${categoryData.parentId}` }">{{ categoryData.parentName }}
        </el-breadcrumb-item>
        <el-breadcrumb-item>{{ categoryData.name }}</el-breadcrumb-item>
      </el-breadcrumb>
    </div>
    <div class="sub-container">
      <el-tabs v-model="reqData.sortField" @tab-change="tabChange">
        <el-tab-pane label="最新商品" name="publishTime"></el-tab-pane>
        <el-tab-pane label="最高人气" name="orderNum"></el-tab-pane>
        <el-tab-pane label="评论最多" name="evaluateNum"></el-tab-pane>
      </el-tabs>
      <div class="body" v-infinite-scroll="load"  :infinite-scroll-disabled="disabled">
         <GoodsItem v-for="good in goodList" :key="good.id" :good="good" />
      </div>
    </div>
  </div>

</template>



<style lang="scss" scoped>
.bread-container {
  padding: 25px 0;
  color: #666;
}

.sub-container {
  padding: 20px 10px;
  background-color: #fff;

  .body {
    display: flex;
    flex-wrap: wrap;
    padding: 0 10px;
  }

  .goods-item {
    display: block;
    width: 220px;
    margin-right: 20px;
    padding: 20px 30px;
    text-align: center;

    img {
      width: 160px;
      height: 160px;
    }

    p {
      padding-top: 10px;
    }

    .name {
      font-size: 16px;
    }

    .desc {
      color: #999;
      height: 29px;
    }

    .price {
      color: $priceColor;
      font-size: 20px;
    }
  }

  .pagination-container {
    margin-top: 20px;
    display: flex;
    justify-content: center;
  }


}
</style>